Home / 28,130.15-38,836.45-17,534.13

Finding the Fourth Proportional to 28,130.15, 38,836.45 and 17,534.13

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Solution

The fourth proportional to 28,130.15, 38,836.45 and 17,534.13 is: 24,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130.15 : 38,836.45 = 17,534.13 : x
  2. Step 2: Convert to fraction form
    28,130.15/38,836.45 = 17,534.13/x
  3. Step 3: Cross multiply
    28,130.15x = 38,836.45 × 17,534.13
  4. Step 4: Simplify right side
    28,130.15x = 680,963,363.04
  5. Step 5: Solve for x
    x = 680,963,363.04/28,130.15
  6. Step 6: Final answer
    x = 24,207.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.